| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MEHRA AJAY | PRESIDENT AND CEO, Director | 12525 CHADRON AVE, HAWTHORNE | /s/ Ajay Mehra | 01 Jul 2025 | 0001047059 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Award | $10.5K | +75 | +0.1% | $140.61 | 74.3K | 30 Jun 2025 | Direct | F1 |
| holding | OSIS | Common Stock | 6.68K | 30 Jun 2025 | Mehra Family Trust | F2 |
| Id | Content |
|---|---|
| F1 | Acquired pursuant to issuer's Employee Stock Purchase Plan. |
| F2 | Shares owned by the Mehra Family Trust dated 7-12-2008. |